The list of shipwrecks in August 1820 includes ships sunk, wrecked or otherwise lost during August 1820.
1 August
2 August
3 August
5 August
9 August
10 August
12 August
13 August
14 August
16 August
18 August
19 August
20 August
21 August
22 August
23 August
26 August
27 August
29 August
30 August
31 August
Unknown date
References